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Colorado Fossils


pickett67

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Hello,

I found this lot while working on a jobsite in Colorado Springs, CO. They were all in a layer of claystone at an elevation of approx. 5,600'. In addition to these there were lots of flat long fossils pieces that were approx 1.5" wide and 3/4" tall and varied in length. Unfortunately I did not photograph any of those. Any information would be appreicated. Thanks in advance and happy hunting!

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Looks like you found a nice spot in the Pierre Shale (Upper Cretaceous). You have ammonites and bivalves to show for it.

There should be someone here who can identify these further. :)

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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Nice ammonites! Wouldnt be surprised if the long flat pieces you found are parts of straight shelled cephalopods like Baculites but could be something else...would need photos to be sure.

Welcome and congrats on the finds!

Regards, Chris

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Nice find !

"Absence of evidence is not evidence of absence"_ Carl Sagen

No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go.

" I think, therefore I collect fossils." _ Me

"When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes

"can't we all just get along?" Jack Nicholson from Mars Attacks

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Thanks everyone for all the help! I did a quick search on Baculites and most looked to be too round but then I ran across this image and this is exactly like what I saw. There were thousands of these in the fill at the job site. I have also seen them around Ft Carson in the same claystone layer. Thanks again.

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Welcome to the Forum!

In my opinion the first one from left and the similar two fragments could be Acanthoscaphites genus,from Late Campanian-Late Maastrichtian,A.tridens or A. nodosus.

Nice find.

" We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. "

Thomas Mann

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  • 3 months later...

I'm getting excited. We're heading on vacation to Colorado Springs from Texas. Definitely, looking to add to our fossil collection. Hoping to add with mineral hunting too. not sure exactly how to conquer the last one though.

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